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Electric Flanged Butterfly Valve

Size Range: DN50-DN2000

Material: SS304, SS316

Connection Options: Flanged End

Pressure: 0.6Mpa ~ 4.0Mpa

Working Temperature: -29°C to 425°C

Sealing Options: SS304 + Graphite

Applicable Medium: Water, oil, gas, acetic acid, nitric acid

Product Overview

An electric flanged butterfly valve is an automated quarter-turn valve designed for precise on/off and modulating flow control. With a secure flanged connection and electric actuator, it delivers stable sealing, accurate positioning, and reliable performance in water treatment, HVAC, power, chemical, and industrial process systems.

Product Features

Electric actuator enables precise on/off and modulating control
Flanged connection ensures secure installation and leak-tight sealing
Smooth quarter-turn operation with stable torque output
Supports remote control and automation systems
Durable construction for long service life
Suitable for water, HVAC, power, and industrial applications

Specification Parameters

ITEM	SPECIFICATION
Nominal Pressure (MPa)	PN0.6	PN1.0	PN1.6	PN2.5	PN4.0
Shell Test Pressure(MPa)	PT0.9	PT1.5	PT2.4	PT3.8	PT6.0
Low-Pressure Closure Test	0.6 MPa
Suitable Medium	Water, Oil, Gas, Acetic Acid, Nitric Acid
Suitable Temperature	−29 °C ~ 425 °C

Product parts materials

MATERIAL NAME	CARBON STEEL	STAINLESS STEEL
Body	WCB	CF8	CF8M
Disc	WCB	CF8	CF8M
Stem	13Cr	304	316
Seat Ring	304 + Graphite	304 + Graphite	304 + Graphite
Packing	Graphite	Graphite	Graphite

The main shape and connection dimensions – D943 in (mm)

NOMINAL DIAMETER	STRUCTURE LENGTH (STANDARD)		EXTERNAL DIMENSION				CONNECTION DIMENSION (STANDARD)
mm	SHORT L	LONG L	H	D943			PN0.6 MPa			PN1.0 MPa
mm	SHORT L	LONG L	H	H3	A3	B3	D	D1	Z-d	D	D1	Z-d
50	108	950	112	530	250	255	140	110	4-14	165	125	4-18
65	112	870	115	530	250	255	160	130	4-14	185	145	4-18
80	114	790	120	565	250	255	190	150	4-18	200	160	8-18
100	127	710	138	600	250	255	210	170	4-18	220	180	8-18
125	140	630	164	640	250	255	240	200	8-18	250	210	8-18
150	140	550	175	705	300	315	265	225	8-18	285	240	8-22
200	152	510	200	775	300	315	320	280	8-18	340	295	8-22
250	165	470	243	945	300	315	375	335	12-18	395	350	12-22
300	178	430	250	1070	300	315	440	395	12-22	445	400	12-22
350	190	390	280	1140	300	315	490	445	12-22	505	460	16-22
400	216	350	305	1210	300	315	540	495	16-22	565	515	16-26
450	222	330	350	1335	575	714	595	550	16-22	615	565	20-26
500	229	310	380	1415	575	714	645	600	20-22	670	620	20-26
600	267	290	445	1605	656	810	755	705	20-26	780	725	20-30
700	292	270	480	1844	656	810	860	810	24-26	895	840	24-30
800	318	250	530	2040	656	810	975	920	24-30	1015	950	24-33
900	330	230	580	2255	785	863	1075	1020	24-30	1115	1050	28-33
1000	410	210	650	2380	785	863	1175	1120	28-30	1230	1160	28-36
1200	470	200	760	2640	785	863	1405	1340	32-33	1455	1380	32-39
1400	530	190	850	2886			1630	1560	36-36	1675	1590	36-42
1600	600	180	1030	3156			1830	1760	40-36	1915	1820	40-48
1800	670	170	1230	3421			2045	1970	44-39	2115	2020	44-48
2000	760	150	1350	3685			2265	2180	48-42	2325	2230	48-48

NOMINAL DIAMETER (mm)	STRUCTURE LENGTH (STANDARD)	EXTERNAL DIMENSION				CONNECTION DIMENSION (STANDARD)
mm	L	H	D943			PN1.6 MPa			PN2.5 MPa
mm	L	H	H3	A3	B3	A3	B3	D	D1	Z-d	D
50	108	112	530	250	255	250	255	165	125	4-18	165
65	112	115	530	250	255	250	255	185	145	4-18	185
80	114	120	565	250	255	250	255	200	160	8-18	200
100	127	138	600	250	255	250	255	220	180	8-18	235
125	140	164	640	250	255	250	255	250	210	8-18	270
150	140	175	705	300	315	300	315	285	240	8-22	300
200	152	200	775	300	315	300	315	340	295	12-22	360
250	165	243	945	300	315	300	315	405	355	12-26	425
300	178	250	1070	300	315	300	315	460	410	12-26	485
350	190	280	1140	300	315	300	315	520	470	16-26	555
400	216	305	1210	300	315	300	315	580	525	16-30	620
450	222	350	1335	575	714	575	714	640	585	20-30	670
500	229	380	1415	575	714	575	714	715	650	20-33	730
600	267	445	1605	656	810	656	810	840	770	20-36	845
700	292	480	1844	656	810	656	810	910	840	24-36	960
800	318	530	2040	656	810	656	810	1025	950	24-39	1085
900	330	580	2255	785	863	785	863	1125	1050	28-39	1185
1000	410	650	2380	785	863	785	863	1255	1170	28-42	1320
1200	470	760	2640	785	863	785	863	1485	1390	32-48	1530
1400	530	850	2886			—	—	1685	1590	36-48	1755
1600	600	1030	3156			—	—	1930	1820	40-56	1975
1800	670	1230	3421			—	—	2130	2020	44-56	2195
2000	760	1350	3685			—	—	2345	2230	48-62	2425

NOMINAL DIAMETER	STRUCTURE LENGTH (STANDARD)		EXTERNAL DIMENSION				CONNECTION DIMENSION (STANDARD)
mm	SHORT L	LONG L	H	D943			PN4.0MPa
mm	SHORT L	LONG L	H	H3	A3	B3	D	D1	Z-d
50	108	150	112	530	250	255	165	125	4-18
65	112	170	115	530	250	255	185	145	8-18
80	114	180	120	565	250	255	200	160	8-18
100	127	190	138	600	250	255	235	190	8-22
125	140	200	164	640	250	255	270	220	8-26
150	140	210	175	705	300	315	300	250	8-26
200	152	230	200	775	300	315	375	320	12-30
250	165	250	243	945	300	315	450	385	12-33
300	178	270	250	1070	300	315	515	450	16-33
350	190	290	280	1140	300	315	580	510	16-36
400	216	310	305	1210	300	315	660	585	16-39
450	222	330	350	1335	575	714	685	610	20-39
500	229	350	380	1415	575	714	755	670	20-42

Specification Applications

Water supply and wastewater treatment systems
HVAC and building automation pipelines
Power generation and utility networks
Chemical and industrial process control
Desalination and water transmission projects
Automated flow control in large-diameter piping systems

Electric Flanged Butterfly Valve

Product Overview

Product Features

Specification Parameters

Product parts materials

The main shape and connection dimensions – D943 in (mm)

Specification Applications

Features

Resources

Links

Contact info